H8SLASH3028F datasheet(244/923 Pages) RENESAS

Part #	H8/3028F

Description	Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

PDF	923 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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244 / 923 page

Rev. 2.00, 09/03, page 214 of 890

Table 7.7

Function

Activated by

SCI 0 Receive-

Data-Full

Interrupt

Other

Activation

Initial Setting

Operation

MAR

Destination

address

Source

address

Destination or

source address

Held fixed

All 1s

IOAR

Source

address

Destination

address

Source or

destination

address

Held fixed

ETCR

Transfer counter

Number of

transfers

Decremented

once per

transfer until

H'0000 is

reached and

transfer ends

Legend

MAR: Memory address register

IOAR: I/O address register

ETCR: Execute transfer count register

MAR and IOAR specify the source and destination addresses. MAR specifies a 24-bit source or

destination address. IOAR specifies the lower 8 bits of a fixed address. The upper 16 bits are all

1s. MAR and IOAR are not incremented or decremented.

Figure 7.4 illustrates how idle mode operates.

Transfer

1 byte or word is

transferred per request

IOAR

MAR

Figure 7.4 Operation in Idle Mode

H8/3028F Datasheet(PDF) 244 Page - Renesas Technology Corp

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